diff --git a/tools/versioner/src/VFS.cpp b/tools/versioner/src/VFS.cpp
index 1aa7229..cdf232f 100644
--- a/tools/versioner/src/VFS.cpp
+++ b/tools/versioner/src/VFS.cpp
@@ -59,7 +59,7 @@
       errx(1, "failed to map header '%s'", file_path);
     }
 
-    if (!vfs->addFile(file_path, ent->fts_statp->st_mtim.tv_sec, std::move(buffer_opt.get()))) {
+    if (!vfs->addFile(file_path, ent->fts_statp->st_mtime, std::move(buffer_opt.get()))) {
       errx(1, "failed to add file '%s'", file_path);
     }
   }